同步复位与异步复位
One cannot begin to consider a discussion of reset usage and styles without first saluTIng the most common resetusage of all. This undesired reset occurs almost daily in systems that have been tested, verified, manufactured, andintegrated into the consumer, educaTIon, government, and military environments. This reset follows what is often
called “The Blue Screen of Death” resulTIng from software incompaTIbilities between the OS from a certain softwarecompany, the software programs the OS is servicing, and the hardware on which the OS software is executing。